| Value | Category | 
|---|---|
| 1 | Born in the place of enumeration | 
| 2 | Born elsewhere in the district of enumeration | 
| 3 | Born in other districts of the province of enumeration | 
| 4 | Provinces in Cambodia beyond the province of enumeration | 
| 5 | Other countries | 
| 9 | NIU (not in universe) |